فهرس المقالات Milad Hemmatnezhad المقاله 1 - Finite element formulation for the free vibration analysis of embedded double-walled carbon nanotubes based on nonlocal Timoshenko beam theory 10.1186/2251-7235-7-6 Milad Hemmatnezhad Reza Ansari Journal of Theoretical and Applied Physics , العدد 1 , السنة 0 , زمستان 2013